types.h File Reference

#include "lib/user_space/types.h"
#include "xcode/xcode_attr.h"

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Data Structures
struct	m0_uint128

Macros
#define	__MOTR_LIB_TYPES_H__
#define	M0_UINT128(hi, lo)   (struct m0_uint128) { .u_hi = (hi), .u_lo = (lo) }
#define	U128X_F   "%" PRIx64 ":%" PRIx64
#define	U128D_F   "%" PRId64 ":%" PRId64
#define	U128I_F   "%" PRIi64 ":%" PRIi64
#define	U128_P(x)   (x)->u_hi, (x)->u_lo
#define	U128_S(u)   &(u)->u_hi, &(u)->u_lo
#define	U128X_F_SAFE   "%s%" PRIx64 ":%" PRIx64
#define	U128_P_SAFE(x)
#define	U128_P_SAFE_EX(y, x)

Typedefs
typedef uint64_t	m0_bcount_t
typedef uint64_t	m0_bindex_t

Enumerations
enum	{ M0_BCOUNT_MAX = 0xffffffffffffffff, M0_BINDEX_MAX = M0_BCOUNT_MAX - 1, M0_BSIGNED_MAX = 0x7fffffffffffffff }

Functions
struct m0_uint128	M0_XCA_DOMAIN (rpc)
M0_INTERNAL bool	m0_uint128_eq (const struct m0_uint128 *u0, const struct m0_uint128 *u1)
M0_INTERNAL int	m0_uint128_cmp (const struct m0_uint128 *u0, const struct m0_uint128 *u1)
M0_INTERNAL void	m0_uint128_init (struct m0_uint128 *u128, const char *magic)
M0_INTERNAL void	m0_uint128_add (struct m0_uint128 *res, const struct m0_uint128 *a, const struct m0_uint128 *b)
M0_INTERNAL void	m0_uint128_mul64 (struct m0_uint128 *res, uint64_t a, uint64_t b)
M0_INTERNAL int	m0_uint128_sscanf (const char *s, struct m0_uint128 *u128)

Variables
uint64_t	u_hi
uint64_t	u_lo
enum { ... }	M0_XCA_DOMAIN

Macro Definition Documentation

__MOTR_LIB_TYPES_H__

#define __MOTR_LIB_TYPES_H__

Definition at line 26 of file types.h.

M0_UINT128

#define M0_UINT128	(		hi,
			lo
	)		(struct m0_uint128) { .u_hi = (hi), .u_lo = (lo) }

Definition at line 40 of file types.h.

U128_P

#define U128_P

(

x

)

(x)->u_hi, (x)->u_lo

Definition at line 45 of file types.h.

U128_P_SAFE

#define U128_P_SAFE

(

x

)

Value:

((x) != NULL ? "" : "(null) "), \
        ((x) != NULL ? (x)->u_hi : 0), ((x) != NULL ? (x)->u_lo : 0)

Definition at line 49 of file types.h.

U128_P_SAFE_EX

#define U128_P_SAFE_EX	(		y,
			x
	)

Value:

((y) != NULL ? "" : "(null) "), \
        ((y) != NULL ? (x)->u_hi : 0), ((y) != NULL ? (x)->u_lo : 0)

Definition at line 53 of file types.h.

U128_S

#define U128_S

(

u

)

&(u)->u_hi, &(u)->u_lo

Definition at line 46 of file types.h.

U128D_F

#define U128D_F   "%" PRId64 ":%" PRId64

Definition at line 43 of file types.h.

U128I_F

#define U128I_F   "%" PRIi64 ":%" PRIi64

Definition at line 44 of file types.h.

U128X_F

#define U128X_F   "%" PRIx64 ":%" PRIx64

Definition at line 42 of file types.h.

U128X_F_SAFE

#define U128X_F_SAFE   "%s%" PRIx64 ":%" PRIx64

Definition at line 48 of file types.h.

Typedef Documentation

m0_bcount_t

typedef uint64_t m0_bcount_t

count of bytes (in extent, IO operation, etc.)

Definition at line 77 of file types.h.

m0_bindex_t

typedef uint64_t m0_bindex_t

an index (offset) in a linear name-space (e.g., in a file, storage object, storage device, memory buffer) measured in bytes

Definition at line 80 of file types.h.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
M0_BCOUNT_MAX
M0_BINDEX_MAX
M0_BSIGNED_MAX

Definition at line 82 of file types.h.

Function Documentation

m0_uint128_add()

M0_INTERNAL void m0_uint128_add	(	struct m0_uint128 *	res,
		const struct m0_uint128 *	a,
		const struct m0_uint128 *	b
	)

res = a + b;

Definition at line 62 of file misc.c.

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m0_uint128_cmp()

M0_INTERNAL int m0_uint128_cmp	(	const struct m0_uint128 *	u0,
		const struct m0_uint128 *	u1
	)

Definition at line 45 of file misc.c.

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m0_uint128_eq()

M0_INTERNAL bool m0_uint128_eq	(	const struct m0_uint128 *	u0,
		const struct m0_uint128 *	u1
	)

Definition at line 39 of file misc.c.

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m0_uint128_init()

M0_INTERNAL void m0_uint128_init	(	struct m0_uint128 *	u128,
		const char *	magic
	)

Definition at line 150 of file misc.c.

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m0_uint128_mul64()

M0_INTERNAL void m0_uint128_mul64	(	struct m0_uint128 *	res,
		uint64_t	a,
		uint64_t	b
	)

res = a * b;

Definition at line 76 of file misc.c.

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m0_uint128_sscanf()

M0_INTERNAL int m0_uint128_sscanf	(	const char *	s,
		struct m0_uint128 *	u128
	)

Scans uint128 in num:num format, where num can be in hex, octal or decimal format (depending on prefix).

Definition at line 51 of file misc.c.

M0_XCA_DOMAIN()

struct m0_uint128 M0_XCA_DOMAIN

(

rpc

)

Variable Documentation

M0_XCA_DOMAIN

enum { ... } M0_XCA_DOMAIN

u_hi

uint64_t u_hi

Definition at line 57 of file types.h.

u_lo

uint64_t u_lo

Definition at line 58 of file types.h.